National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Guntersville Municipal Airport (K8A1)

Lat: 34.4°NLon: 86.27°WElev: 600ft.

Fair

75°F

24°C

Humidity 83%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 9 Sep 1:55 am CDT
Extended Forecast for

3 Miles W Grant AL

  • Overnight

    Overnight: Clear, with a low around 70. Southeast wind around 5 mph.

    Low: 70 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. South southeast wind around 5 mph becoming calm in the afternoon.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Heat index values as high as 98. Calm wind becoming south southwest around 5 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 70. Southeast wind around 5 mph.
Wednesday
Sunny, with a high near 90. South southeast wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 70. Calm wind.
Thursday
Sunny, with a high near 92. Heat index values as high as 98. Calm wind becoming south southwest around 5 mph.
Thursday Night
Mostly clear, with a low around 72. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 71.
Monday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 71.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Grant AL
 34.52°N 86.3°W (Elev. 1040 ft)
Last Update:
1:50 am CDT Sep 9, 2026
Forecast Valid:
2am CDT Sep 9, 2026-6pm CDT Sep 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation